142728299424 has 96 divisors (see below), whose sum is σ = 416523824640. Its totient is φ = 47549477376.

The previous prime is 142728299347. The next prime is 142728299431. The reversal of 142728299424 is 424992827241.

142728299424 is a `hidden beast` number, since 142 + 72 + 8 + 2 + 9 + 9 + 424 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1529764 + ... + 1620380.

It is an arithmetic number, because the mean of its divisors is an integer number (4338789840).

Almost surely, 2^142728299424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142728299424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208261912320).

142728299424 is an abundant number, since it is smaller than the sum of its proper divisors (273795525216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142728299424 is a wasteful number, since it uses less digits than its factorization.

142728299424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92459 (or 92445 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 142728299424 in words is "one hundred forty-two billion, seven hundred twenty-eight million, two hundred ninety-nine thousand, four hundred twenty-four".